Hartley

04768, 1988 PH1, 1988PH1, J88P01H

All data for this body: [vot]

MPC data
Name (number) Hartley (4768)
a 3.16996
e 0.23896
i / sin(i) 20.0881 / 0.34347
q 2.41248
Q 3.92744
ω 26.1291
Node 320.3989
m 157.9218
n 0.1746
Epoch 2460800.5
nobs 6828
nopp 28
Years observed 1981-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.187
ep 0.232
sin(ip) 0.340
G 0.150
H 11.560
Mass
D 35.80 0.320
pV 0.040 0.0019
Value
Rotational Period 22.000
Period quality 2
Spectral Class X
Spectral Class Score 1.032
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1873 0.2320 0.3403 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
34.35 0.490 0.490 Masiero 2012ApJ...759L...8M NEATM
34.88 0.766 0.766 Masiero 2011ApJ...741...68M NEATM
34.98 10.540 10.540 Masiero 2020PSJ.....1....5M NEATM
35.78 3.580 3.580 Ali-Lagoa 2018A&A...612A..85A NEATM
36.39 14.820 14.820 Nugent 2016AJ....152...63N NEATM
36.63 1.700 1.700 Tedesco 2002AJ....123.1056T STM
36.96 1.521 1.521 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
38.01 0.580 0.580 Usui 2011PASJ...63.1117U NEATM
39.57 3.960 3.960 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.039 0.0031 0.0031 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0044 0.0044 Masiero 2011ApJ...741...68M NEATM
0.040 0.0040 0.0040 Tedesco 2002AJ....123.1056T STM
0.040 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.042 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
22.08 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.172 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT